CopilotOBD: OBD2 Car Scanner

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Content rating
Everyone
50+
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Content rating
Everyone
In-App Purchases
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About this app

CopilotOBD is an OBD2 scanner for reading vehicle fault codes. Plug in an ELM327 Bluetooth adapter to understand what they mean.

🔧 OBD2 SCAN
• Read stored, pending and permanent fault codes when supported by the vehicle
• Decode P, B, C and U codes returned by the vehicle
• See whether a scan is complete, partial or affected by a communication error
• Clear fault codes after repair when supported by the vehicle

🤖 AI-ASSISTED EXPLANATIONS
• Understand the likely cause and level of attention for a code
• Get general guidance and useful next checks

📊 LIVE ENGINE DATA
• RPM, speed, temperature, engine load and battery voltage

🛠️ VEHICLE FOLLOW-UP
• Diagnostic history
• Maintenance log and reminders
• Find nearby garages

Required hardware: a Bluetooth ELM327 OBD2 adapter, sold separately. CopilotOBD uses Bluetooth Low Energy (BLE).

Important: CopilotOBD provides generic engine OBD-II diagnostics. It may not cover airbags, ABS, power steering, dashboard, EMM or other manufacturer ECUs. It does not replace professional diagnosis.
OBD2 fault codes with an ELM327 Bluetooth adapter
Updated on
Aug 31, 2026

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
  • This app may share these data types with third parties
    Personal info, App activity, and Device or other IDs
  • This app may collect these data types
    Personal info, Financial info and 2 others
  • Data is encrypted in transit
  • You can request that data be deleted

What’s new

Fixed OBDLink LX diagnostics, improved stored, pending and permanent code reading, stronger Bluetooth detection, and an enhanced diagnostic interface.